add oauth flow for github and gitlab

src/c3nav/editor/views.py

@@ -2,12 +2,12 @@ from django.conf import settings
 from django.core import signing
 from django.core.exceptions import PermissionDenied
 from django.http.response import Http404
-from django.shortcuts import get_object_or_404, render
+from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.translation import ugettext_lazy as _
 from django.views.decorators.http import require_POST
 
 from c3nav.editor.forms import FeatureForm
-from c3nav.editor.hosters import get_hoster_for_package
+from c3nav.editor.hosters import get_hoster_for_package, hosters
 from c3nav.mapdata.models.feature import FEATURE_TYPES, Feature
 from c3nav.mapdata.models.package import Package
 from c3nav.mapdata.packageio.write import json_encode
@@ -106,17 +106,62 @@ def finalize(request):
             'title': _('Missing data.'),
             'description': _('Edit data is missing.')
         }, status=400)
+    data = request.POST['data']
 
-    package_name, file_path, file_contents = signing.loads(request.POST['data'])
+    package_name, file_path, file_contents = signing.loads(data)
 
     package = Package.objects.filter(name=package_name).first()
     hoster = None
     if package is not None:
         hoster = get_hoster_for_package(package)
 
+    if request.POST.get('check'):
+        hoster.check_state(request)
+
+    hoster_state = hoster.get_state(request)
+    hoster_error = hoster.get_error(request) if hoster_state == 'logged_out' else None
+
     return render(request, 'editor/finalize.html', {
+        'data': data,
         'package_name': package_name,
         'hoster': hoster,
+        'hoster_state': hoster_state,
+        'hoster_error': hoster_error,
         'file_path': file_path,
         'file_contents': file_contents
     })
+
+
+@require_POST
+def finalize_oauth_progress(request):
+    pass
+
+
+@require_POST
+def finalize_oauth_redirect(request):
+    if 'data' not in request.POST:
+        return render(request, 'editor/error.html', {
+            'title': _('Missing data.'),
+            'description': _('Edit data is missing.')
+        }, status=400)
+    data = request.POST['data']
+
+    package_name, file_path, file_contents = signing.loads(data)
+    package = Package.objects.filter(name=package_name).first()
+    hoster = None
+    if package is not None:
+        hoster = get_hoster_for_package(package)
+
+    hoster.set_tmp_data(request, data)
+    return redirect(hoster.get_auth_uri(request))
+
+
+def finalize_oauth_callback(request, hoster):
+    hoster = hosters.get(hoster)
+    if hoster is None:
+        raise Http404
+
+    data = hoster.get_tmp_data(request)
+    hoster.handle_callback_request(request)
+
+    return render(request, 'editor/finalize_oauth_callback.html', {'data': data})